package cn.tedu.jdbc;

import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.Scanner;

public class JDBCLogin {
    public static void main(String[] args) {
        try(Connection connection = DBUtil.geConnection();) {
            Scanner scanner = new Scanner(System.in);
            System.out.println("用户名:");
            String username = scanner.nextLine();
            System.out.println("密码:");
            String password = scanner.nextLine();

            Statement statement = connection.createStatement();
            String sql ="SELECT nickname FROM userinfo WHERE username= '"+username+"'AND password='"+password+"'";
            ResultSet r = statement.executeQuery(sql);
            if (r.next()){
                String nickname = r.getString("nickname");
                System.out.println("登陆成功，欢迎您:"+nickname);
            }else {
                System.out.println("用户名或密码错误");
            }

        } catch (SQLException e) {
            throw new RuntimeException(e);
        }
    }
}
